NATM / SEM From Design to Construction

1 virginia | new york | california | united kingdom | austria | chile | singapore Elevated Thinking, Underground. NATM / SEM From Design to Construction September 12-15, 2016, Boulder, CO Vojtech Gall, , Ashburn, Virginia 2 Agenda and Range of Applications Background and Principles SEM Regular Cross Section Ground Classification and SEM Excavation and Support Classes Ground Support Elements Structural Design Instrumentation and Monitoring Contractual Aspects, Risk Management 2. Case Histories Dulles Corridor Metrorail Project, Washington Metropolitan Area Transit Authority (WMATA) Caldecott 4th Bore tunnel , Caltrans 3.

• Mobilization of the Self Supporting Capability of ... • Fine sandy silts, clays, and silty fine sands • Decomposed rock • Soil-like with higher strength • Groundwater • Invert level at Portal locations • Tunnel spring line at mid-point of tunnel alignment . 40

Loading..

Tags:

  Tunnel, Lists, Clay, Strength, Mobilization

Information